* {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

/* 禁止文本缩放 字体设置  取消touch高亮效果 */

html {
  width: 100%;
  height: 100%;
  margin: 0px;
  padding: 0px;
  -webkit-text-size-adjust: 100%;
  font-family: -apple-system, 'Avenir', Helvetica, Arial, "PingFang SC","Helvetica Neue", Helvetica, STHeiTi, sans-serif;
  /* font-family: Helvetica Neue,Helvetica,"PingFang SC",Hiragino Sans GB,Microsoft YaHei,SimSun,sans-serif; */
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  background: transparent;
}

body {
  width: 100%;
  height: 100%;
  -webkit-overflow-scrolling: touch;
  font-size: 0.24rem;
 }

body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td, hr, button, article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section, sumary {
  margin: 0;
  padding: 0;
}
h1, h2, h3, h4, h5, h6 {
  font-weight: 400;
}

/* 清除输入框内阴影 */

input, select,textarea {
  border: 0;
  -webkit-appearance: none;
  appearance:none;
}

ol, ul {
  list-style: none;
}

/* 禁止选中文本内容 */

*:not(input, select, textArea) {
  -webkit-user-select: none;
}

/* 禁用长按页面时的弹出菜单(iOS下有效) ,img和a标签都要加 */

img, a{
  -webkit-touch-callout:none;
}

a, a:active, a:hover {
  text-decoration: none;
}

/* 去掉点击链接和文本框对象时默认的灰色半透明覆盖层(iOS)或者虚框(Android) */

a, button, input, textarea{ 
  -webkit-tap-highlight-color: rgba(0,0,0,0);
  outline: none;
}